Preheat the oven to 160°c (fan assisted)/350°f/gas 4.

Mix everything together in a bowl, until the nuts are evenly coated.

Spread nuts on a parchment-lined sheet pan in a single layer, then bake for 10 minutes. Toss and return to oven and bake for another 5-10 minutes, until the nuts have hardened.

Remove from oven, stir a few times and let cool completely on trays. Store in a tightly sealed container at room temperature for up to a week.